{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["DNA", "RNA", "protein", "cell type", "cell line"], "input": "DNA-protein crosslinking studies have revealed that the more rapidly migrating B2 complex contains both p50 and p55 while the more slowly migrating B1 complex is composed of p50 , p55 , p75 , and p85 ."}
{"DNA": [], "RNA": [], "protein": ["B2 complex", "p50", "p55", "B1 complex", "p75", "p85"], "cell type": [], "cell line": []}